Description

5,7-Dioxaspiro[2.5]Octane-4,8-Dione,1-Ethyl-2,6,6-Trimethyl-,(1R,2S)-(9Ci) is a high-purity, stereochemically defined spirocyclic compound of significant interest in advanced organic synthesis. Its unique molecular architecture makes it a valuable chiral building block and intermediate for the development of complex, biologically active molecules. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the synthesis of novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new therapeutic agents, particularly for constructing complex heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides, where its specific stereochemistry can influence biological activity.
• Asymmetric Catalysis Research: Employed as a ligand precursor or a model substrate in the development of new catalytic systems for stereoselective transformations.
• Fine Chemical Manufacturing: Acts as a specialized intermediate for synthesizing flavors, fragrances, and other high-value specialty chemicals requiring precise structural control.
• Material Science Research: Investigated as a monomer or cross-linking agent for creating novel polymers with specific thermal or optical properties.

Basic Information

Product Name	5,7-Dioxaspiro[2.5]Octane-4,8-Dione,1-Ethyl-2,6,6-Trimethyl-,(1R,2S)-(9Ci)
CAS No.	640728-53-6
Molecular Formula	C11H16O4
Molecular Weight	212.24 g/mol
Synonyms	(1R,2S)-1-Ethyl-2,6,6-trimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione; 1-Ethyl-2,6,6-trimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione, (1R,2S)-; (1R,2S)-1-Ethyl-2,6,6-trimethylspiro[1,3-dioxolane-2,2'-oxirane]-4,4'-dione; Spirocyclic dioxolane-oxirane dione derivative
EINECS	Contact for details

Quality Control

Our 5,7-Dioxaspiro[2.5]Octane-4,8-Dione,1-Ethyl-2,6,6-Trimethyl-,(1R,2S)-(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (1R,2S)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.